/**
 * This file is part of 1genia trampoline
 * Copyright (C) 2007 1genia (contact@1genia.com)
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3 of the License. 
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; see the file COPYING.TXT.  If not,
 * write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA 02110-1301, USA. 
 **/
package com.genia.toolbox.persistence.hibernate.mapping.type;

/**
 * This interface is used by {@link AbstractObjectUserTypeById}. It allows to
 * map an {@link Object} using an {@link Short} identifier.
 * 
 * @param <E>
 *          the type of the object being mapped
 */
public interface IdGettable<E>
{

  /**
   * returns the short identifier of the object.
   * 
   * @param object
   *          the object the identifier is looked for
   * @return the id of the object
   */
  public short getId(E object);



  /**
   * returns an object givent its id.
   * 
   * @param id
   *          is of the object
   * @return the object having the given identifier
   */
  public E getObject(short id);
}
